"He does have a website and he runs conferences and counselling services which are basically designed to transform people's lives - people who are troubled, transform their lives into one of happiness."

Detective Hutchinson says a crime scene has been set up at Mr Bonham's home.

"I don't want to discuss the results of the forensic examination at this point," he said.

"Suffice to say that the overall circumstances of his disappearance combined with our ongoing examination of the house leads us to have grave concerns for his safety.